Window Function Basics - PARTITION BY
This article looks at the basics of the OVER() clause and how the PARTITION section works.
2023-12-08
13,104 reads
This article looks at the basics of the OVER() clause and how the PARTITION section works.
2023-12-08
13,104 reads
This is a short look at a technique that I discovered recently in Management Studio (SSMS). The technique is to compare two graphical execution plans in the tool to understand what they are doing and how two different queries might affect a particular system, both with the image and with the properties' data behind the […]
2023-11-24 (first published: 2021-03-30)
11,277 reads
This article shows how you can randomize dates in T-SQL, but keep the month and year the same while the day varies.
2022-06-24
1,802 reads
One of the lesser used functions is COALESCE(), used to allow you to return one value from a list of those that are potentially NULL. This short pieces gives a few examples where this is useful?
2021-08-16
4,480 reads
With the addition of Python to Machine Learning Services in SQL Server 2017, you can now execute your Python code inside of SQL Server.
2020-11-13 (first published: 2019-04-18)
37,721 reads
Learn how you can create a database in the serverless tier in Azure.
2020-06-29
9,921 reads
Recently I went to work on a SQL Server 2017 instance and couldn't get the Python runtime to load. I'd keep getting this error: A strange error for me to see, and one that didn't quite make sense. How can the runtime not launch? However, restarting the instance still resulted in this error: Msg 39021, […]
2019-10-24
8,609 reads
Transparent Data Encryption (TDE) has been around for a long time. It first appeared in SQL Server 2008, and after a rocky start with some bugs, it has become a regularly used feature for many organizations. While not perfect, it does provide some protection and auditors like to see physical protection features being used. It's […]
2019-08-29
16,099 reads
Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...
By Steve Jones
It’s a small change, but a handy one. Flyway Desktop (FWD) now includes the...
By Steve Jones
Software is hard. While I love our Lucid Gravity, I realize that they are...
Comments posted to this topic are about the item Adding new column with DEFAULT...
Comments posted to this topic are about the item Advanced Deployment Scenarios: Stairway to...
Comments posted to this topic are about the item You Need a DBA Pipeline
Which number did the two COUNT(*) return:
DROP TABLE IF EXISTS #tmp CREATE TABLE #tmp (id INT NOT NULL) INSERT INTO #tmp (id) SELECT gs.value FROM GENERATE_SERIES(1, 5) AS gs ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1 SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1 ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1See possible answers